Interchange, that means it is three jackets in one. Zip them together and you've got a super warm, all-mountain jacket that's fully seam-sealed, waterproof and inulated. Wear the shell in the spring rains and then wear the liner in the fall chill as you eagerly await a new winter of estive, winter recreation.Omni-Heat reflective liningOmni-Tech waterproof/breathable fully seam sealedZip-in and 3-point Interchange SystemRemovable, adjustable storm hoodSnow sealUnderarm ventingWaterproof zipperInteri security pocketAdjustable cuffsDrawcord adjustable hemDrop tailCenter back length: 32"Imported